如何计算锻造感应加热炉的加热时间？

如何计算锻造直径100长度250棒料1000kw中频炉加热时间

某厂已知现有的锻件坯料为φ100×250mm，加热时间 10秒/件（包括辅助时间），初锻温度为 900℃。计算配置功率。计算φ100×250mm的质量为9.4Kg。

P=（0.168×1000×9.4）/（0.24×0.6×10）=1000KW

式中：

0.168—黑色金属的平均比热；

9.4—工件的质量（Kg）；

1000—工件加热的温升；

0.24—功热当量；

0.6—平均效率（本例取0.6，一般可取 0.5～0.65，异型感应器更低，取 0.4）；

10—加热时间（秒）

根据以上计算，可以配置额定功率为1000KW的 1KHz锻造感应加热炉。

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How to calculate the heating time of the forging induction heating furnace?

How to calculate the heating time of a 1000kw intermediate frequency furnace for forging diameter 100 length 250 bars

A certain factory knows that the existing forging blanks are φ100×250mm, the heating time is 10 seconds/piece (including auxiliary time), and the initial forging temperature is 900°C. Calculate the configured power. Calculate the mass of φ100×250mm as 9.4Kg.

P=(0.168×1000×9.4)/(0.24×0.6×10)=1000KW

Where:

0.168—The average specific heat of ferrous metals;

9.4—The quality of the workpiece (Kg);

1000—Temperature rise of workpiece heating;

0.24—Work heat equivalent;

0.6—average efficiency (in this example, 0.6, generally 0.5～0.65, and special-shaped inductors are lower, 0.4);

10—heating time (seconds)

Based on the above calculation, a 1KHz forging induction heating furnace with a rated power of 1000KW can be configured.